MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c51cd6ef8dda0858ddcc67d4742b2ec0f9a3889d1ac3a3c7627f443e4ca68a79. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Mirai


Vendor detections: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: c51cd6ef8dda0858ddcc67d4742b2ec0f9a3889d1ac3a3c7627f443e4ca68a79
SHA3-384 hash: 8e7bd9c6354f5a173f612dc76d43772272423f977ce38c0ad554382bad1384e8c1da88934ab8d077397833d6f994a6c7
SHA1 hash: cd15d495998a72e7519ef2ca4b372eca0d601a2f
MD5 hash: 43d8804a4fd0a221fb0c222e332426fd
humanhash: uniform-beer-west-low
File name:putita.arm6
Download: download sample
Signature Mirai
File size:128'460 bytes
First seen:2026-07-29 19:15:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:CON9L2wOtnosmfncYEEU0084WnCwlDBteiMALe++pH5aA1Dz:COTAmvcYEEU0HnphBteipWZamn
TLSH T1F5C32AA9F880DE62C6D5267AFB4E418C33231778D3DE7105CE149E3467EB95A0E3E942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 05937148071e4dd0a4f0dfa9f37b0dc587fc0b16041e446673affdfe0109c98d
File size (compressed) :60'256 bytes
File size (de-compressed) :128'460 bytes
Format:linux/arm
Packed file: 05937148071e4dd0a4f0dfa9f37b0dc587fc0b16041e446673affdfe0109c98d

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sets a written file as executable
Sends data to a server
Creating a file
Runs as daemon
Receives data from a server
Creates or modifies symbolic links
Opens a port
Connection attempt
Substitutes an application name
Writes files to system directory
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
2
Number of processes launched:
2
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-29T17:14:00Z UTC
Last seen:
2026-07-30T20:11:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=84fd5d0c-1d00-0000-dd17-9645080a0000 pid=2568 /usr/bin/sudo guuid=323a6513-1d00-0000-dd17-9645120a0000 pid=2578 /tmp/sample.bin guuid=84fd5d0c-1d00-0000-dd17-9645080a0000 pid=2568->guuid=323a6513-1d00-0000-dd17-9645120a0000 pid=2578 execve
Gathering data
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-07-29 19:16:59 UTC
File Type:
ELF32 Little (SO)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:elf_arm_mips_ko_so
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf c51cd6ef8dda0858ddcc67d4742b2ec0f9a3889d1ac3a3c7627f443e4ca68a79

(this sample)

  
Delivery method
Distributed via web download

Comments